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• Main indicates that the measurement range is within the main time base region.
• Zoom indicates that the measurement range is within the zoomed time base
region.
To use "Zoom", first enable the
Zoom Mode (Delayed Sweep)
in the
Horizontal
System
menu.
Frequency Limit
• LowPass: click or tap the ωc input field and use the pop-up numeric keypad to
set the upper limit frequency or use the corresponding multipurpose knob to set
the value.
• HighPass: click or tap the ωc input field and use the pop-up numeric keypad to
set the lower limit frequency or use the corresponding multipurpose knob to set
the value.
• BandPass: click or tap the ωc1 input field and use the pop-up numeric keypad
to set the lower limit frequency. Click or tap the ωc2 input field and use the pop-
up numeric keypad to set the upper limit frequency. You can also use the
corresponding multipurpose knob to set the value to set the lower/upper limit
frequency.
• BandStop: click or tap the ωc1 input field and use the pop-up numeric keypad
to set the lower limit frequency. Click or tap the ωc2 input field and use the pop-
up numeric keypad to set the upper limit frequency. You can also use the
corresponding multipurpose knob to set the value to set the lower/upper limit
frequency.
The settable ranges of the upper and lower limit frequencies are related to the Math
sample rate (displayed at the bottom of the screen when the Math function is
enabled). The sample rate of the analog channel or the changes of the memory depth
can affect the Math sample rate.
Label
It is used to set the label for the math operation results. For setting methods, refer to
descriptions in
To Turn the Channel Label Display On/Off
.
Expand
The oscilloscope supports two vertical expansion modes: GND (default) and Center.
• GND: When the vertical scale is changed, the math operation waveform will
expand or compress about the ground level of the signal.
• Center: When the vertical scale is changed, the math operation waveform will
expand or compress about the center of the display.
Math Operation
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
DHO1000 User Guide
135
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